English verb conjugation
CAN PROFIT

Regular verb: profit - profited - profited

Affirmation

Simple form	V-ing form
I can profit you can profit he can profit we can profit you can profit they can profit	I can be profiting you can be profiting he can be profiting we can be profiting you can be profiting they can be profiting
Perfect	V-ing perfect
I can have profited you can have profited he can have profited we can have profited you can have profited they can have profited	I can have been profiting you can have been profiting he can have been profiting we can have been profiting you can have been profiting they can have been profiting

Negation

Simple form	V-ing form
I cannot profit you cannot profit he cannot profit we cannot profit you cannot profit they cannot profit	I cannot be profiting you cannot be profiting he cannot be profiting we cannot be profiting you cannot be profiting they cannot be profiting
Perfect	V-ing perfect
I cannot have profited you cannot have profited he cannot have profited we cannot have profited you cannot have profited they cannot have profited	I cannot have been profiting you cannot have been profiting he cannot have been profiting we cannot have been profiting you cannot have been profiting they cannot have been profiting

Interrogative form

Simple form	V-ing form
can I profit? can you profit? can he profit? can we profit? can you profit? can they profit?	can I be profiting? can you be profiting? can he be profiting? can we be profiting? can you be profiting? can they be profiting?
Perfect	V-ing perfect
can I have profited? can you have profited? can he have profited? can we have profited? can you have profited? can they have profited?	can I have been profiting? can you have been profiting? can he have been profiting? can we have been profiting? can you have been profiting? can they have been profiting?

Interro-negative form

Simple form	V-ing form
can I not profit? can you not profit? can he not profit? can we not profit? can you not profit? can they not profit?	can I not be profiting? can you not be profiting? can he not be profiting? can we not be profiting? can you not be profiting? can they not be profiting?
Perfect	V-ing perfect
can I not have profited? can you not have profited? can he not have profited? can we not have profited? can you not have profited? can they not have profited?	can I not have been profiting? can you not have been profiting? can he not have been profiting? can we not have been profiting? can you not have been profiting? can they not have been profiting?